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Power Platform Community / Forums / Power Apps / Populate Lookup with I...
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Populate Lookup with ID from Collection List

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Setup: I have two List TCR & TCL, where TCL should have a relationship. In order to build a relationship, I have the 1 TCR Record and multiple (5-6) TCL records. I have a Lookup field name 'Related Line Items' which accept multiple values IDs from TCL.

I am using 'collect' to store the list of TCL records, collection name is 'temp2'

 

Ask: I want to populate the field 'Related Line Items' on TCR list with IDs from the collection 'temp2'. Need help with Line#27 of the attached code.

 

Thank you!

Guru Sandhu 

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